01 -
Line baking sheets with parchment paper.
02 -
Whisk flour, cocoa, salt, and baking powder.
03 -
Cream butter and both sugars for 2 minutes.
04 -
Beat in egg yolks and vanilla until fluffy, 1-2 minutes.
05 -
Mix in dry ingredients until combined.
06 -
Form 34 dough balls (1 tablespoon each).
07 -
Make indent in each with ¼ teaspoon measure.
08 -
Chill dough 1 hour.
09 -
Heat oven to 350°F.
10 -
Space cookies 1½ inches apart.
11 -
Bake 9-11 minutes.
12 -
Re-press centers while hot.
13 -
Cool 5 minutes on sheet, then completely on rack.
14 -
For ganache: Pour hot cream over chocolate. Let sit 1 minute, then stir until smooth.
15 -
Fill each cookie with 1 teaspoon ganache.
16 -
Add sprinkles if desired. Chill 10-15 minutes to set.